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Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp Review
Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp Feature
- back up sump pump systems : Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp Check Product Rating
Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp Overviews
Zoeller Pump Co. M-53 Mighty Mate clear effluent or dewatering submersible pump. Choice of many plumbers and contractors. 1/3 HP cast iron housing with plastic vortex impeller.
9ft. power cord. Truely a all star pump. Powder coated epoxy CI and SS fastners. Oil filled motor with thermal overload. CSA UL SSPMA
back up sump pump systems : Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp >Compare Prices<
Customer Reviews
Zoeller's slogan is "Your Piece of Mind is our Top Priority."I bought one of their M53 pumps. While on vacation in Florida the switch on the pump failed and my basement was flooded with water causing $16,000 in damage (most of which was covered by insurance). However, we had to throw away a lot of non-insurable stuff, e.g., pictures, records, etc. that the insurance did not cover.My wife contacted Zoeller Customer Service and spoke with a Rep that told her, "That the switch should be changed every year." What???I called Zoeller as well as sent an email to the President asking that they credit me for the cost of their crappy pump plus the $400 I had to pay in deductible costs due to their switch failure. In the end they re-imbursed me a paltry $98.After I sent the pump back to Zoeller, one of their engineers said that their pump was OK and that we must have too much iron or something in our water. What? I get 6 inches of water in our basement, their pump stops working and he says their pump is OK????DO NOT EVER BUY A ZOLLER PUMP!Not Satisfied.
My M-53 pump quit after being installed for a little over a year. (Right, just out of warranty!) When I called the plumber who recommended and installed the unit he told me that he no longer recommends Zoeller because he is seeing a lot of them fail afterbeing in use for 2 years and less.I don't know about you, but I expect a sump pump to last more than a year! Zoeller, are you listening? What's the deal here?
Had this pump for four years in my house and eight years in my businesses ' it has never failed yet. Those people who give it bad reviews often don't have a clue to what a sump pump does, and the different types. Zoeller's M53 shares the same dimensions and is nearly identical to the M57. The M53 has a cast iron switch case, motor, and pump housing, a thermoplastic base, and an engineered plastic impeller with metal insert. Like the M57, it can pump 43 gallons (163L)/minute, passes half-inch solids, and shares a 1.5" discharge. Zoeller is the industry standard: don't let anyone tell you differently. It's the brand the professionals use and the plumbers recommend. If you need the extra casing weight and prefer a cast iron impeller, get the M57.
These Zoeller pumps are virtually bombproof. I have an M53 and M98 with battery backup protecting my basement. They run very reliably and are easy to service. However, you can't just plug them in and forget about them. Here are a few things I've learned over the years.***IMPORTANT***The key to keeping them running forever is some periodic service.1) SWITCH : As many have found the hard way, it's unfortunate that the switch in this pump is the weak link in an otherwise bombproof product. Luckily, this plastic switch is very easily replaced with a screwdriver ($25-part # 004892 or 004705 - don't forget a rubber gasket). They seem to last 3-6 yrs depending on the conditions used - mine activate on average every 2-3 minutes, sometimes as frequently as every 20 sec during a heavy storm. The switches in my pumps last 3-4 yrs.2) RUBBER FLOAT LEVER BOOT: The rubber boot/seal where the lever enters the pump cap assembly will harden over time, providing just enough resistance for the switch not to activate the pump (very frustrating to find the pump submerged underwater, then the slightest movement triggers the motor) - keeping this lubricated with a bit of silicone grease will help prevent or solve this problem. When/if it fails, the cap assembly will need to be replaced ($30 - part #004703).3) IMPELLER/CHECK VALVE : periodically remove the base of the pump (just remove several screws) to scrape/clear out any built up debris or buildup, clear the area by the exit pipe and make sure the check valve can operate properly.4) FLOW HOLES - there are two small holes in the pump assembly by impeller and exit pipe. These will get clogged over time and can cause an unlikely 'airlock' situation where the impeller with turn freely within a pocket of air and not push any fluids. Keeping these holes clear with a nail will prevent this condition.
Zoeller M-53 Sump PumpA house we are remodeling had a leaky basement. Heavy rains lasting a few days resulted in an inch or more of water in the basement. A real mess. We got bids from 6 basement waterproofing companies. Five companies said they installed Zoeller M-53s because they were the most reliable pump they were aware of, and angry customers with failed pumps were bad for business.The company we hired did a great job, as the basement is now bone dry regardless of rainstorms. The M-53 is so quiet, that unless you are near the sump basin, you can't hear it run. It's only been a year since installation, so I can't rate pump longevity; but so far, it's worked just fine.The M-53 turns on when the water level depth is 7", and shuts off when the water depth is 3".The contractor installed a sump basin with TWO pumps: an M-53 and the Zoeller model 507 backup pump, which uses a 12-volt marine-battery. At a 5 feet head (from pump to water discharge), the M-53 pumps 43 gallons per minute, and the 507 does 23 GPM. A backup battery operated pump provides extra protection when the primary AC pump fails due to: storms, brownouts, the primary pump fails due to damage, mechanical malfunction or obstructions in the pit, or when the primary pump fails due to damage, mechanical malfunction or obstructions in the pit, or when the primary pump fails to keep up with excessive water due to rain or overloading. As far as I know, the 507 has never kicked-in, but it does eliminate worries about basement flooding.The bottom assembly (containing the feet) is plastic on this pump, as is the impeller. Zoeller makes a better version, called the M-57, which is identical to this one, except the base is cast iron, as is the impeller. A cast iron impeller will hold up better to gravel, sand, or other hard things being sucked in to the pump, as compared to the plastic impeller of the M53.I own two M53s and an M57. The M57 feels like it weighs 10 pounds more, due to its additional cast iron. If you drop the M53 (e.g., while servicing it), the plastic base looks like it could easily break. If you drop the M57, you'll dent your floor. If I had it to do again, I'd get M57s, even though the M53 is a fine pump.
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